%0 Journal Article %A Salvi, Rodolfo %T On the existence of weak solutions of boundary value problems in a diffusion model for an inhomogeneous liquid in regions with moving boundaries %J Portugaliae mathematica %D 1985 %P 213-233 %V 43 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1985__43_2_114504/ %G en %F PORMA_1985__43_2_114504